修复定时器崩溃

app/src/main/java/com/test/easy/easycleanerjunk/fcm/MyTimerManager.java

@@ -8,19 +8,15 @@ import java.util.Timer;
 import java.util.TimerTask;
 
 public class MyTimerManager {
-    // 单例对象
     private static MyTimerManager instance;
     private Timer timer;
+    private boolean isTimerRunning;
     private TimerTask timerTask;
-    private boolean isTimerRunning; // 新增的成员变量，用于跟踪定时器状态
 
-    // 私有构造函数
     private MyTimerManager() {
-        // 初始化成员变量
         isTimerRunning = false;
     }
 
-    // 获取单例对象的方法
     public static synchronized MyTimerManager getInstance() {
         if (instance == null) {
             instance = new MyTimerManager();
@@ -28,44 +24,47 @@ public class MyTimerManager {
         return instance;
     }
 
-    // 启动定时器
     public void startTimer(long initialDelay, long intervalPeriod) {
-        if (!isTimerRunning) { // 如果定时器不在运行状态
-            if (timer != null) {
-                timer.cancel();
-                timer = null;
-            }
-            timerTask = new TimerTask() {
-                @Override
-                public void run() {
-                    Log.d("glc","定时器执行");
-                    if (ActionBroadcast.mIsScreenOn && !ActionBroadcast.isLock && MyApplication.PAUSED_VALUE != 1) {
-                        Log.d("glc","定时器执行条件满足");
-                        NotificationUtil.sendNotification(MyApplication.context);
+        synchronized (this) { // 使用 synchronized 确保线程安全
+            if (!isTimerRunning) {
+                cancelExistingTimer(); // 取消现有的定时器和任务
+                // 创建新的 TimerTask 实例并调度
+                timer = new Timer();
+                timerTask = new TimerTask() {
+                    @Override
+                    public void run() {
+                        Log.d("glc", "定时器执行");
+                        if (ActionBroadcast.mIsScreenOn && !ActionBroadcast.isLock && MyApplication.PAUSED_VALUE != 1) {
+                            Log.d("glc", "定时器执行条件满足");
+                            NotificationUtil.sendNotification(MyApplication.context);
+                        }
                     }
-                }
-            };
-            timer = new Timer();
-            timer.schedule(timerTask, initialDelay, intervalPeriod);
-            isTimerRunning = true; // 更新定时器状态为运行中
+                };
+                timer.schedule(timerTask, initialDelay, intervalPeriod);
+                isTimerRunning = true;
+            }
         }
     }
 
-    // 取消定时器
     public void stopTimer() {
-        if (isTimerRunning) { // 如果定时器在运行状态
-            if (timerTask != null) {
-                timerTask.cancel();
+        synchronized (this) { // 使用 synchronized 确保线程安全
+            if (isTimerRunning) {
+                cancelExistingTimer();
+                isTimerRunning = false;
             }
-            if (timer != null) {
-                timer.cancel();
-                timer.purge(); // 清除所有取消的任务
-            }
-            isTimerRunning = false; // 更新定时器状态为停止
         }
     }
 
-    // 新增的方法，用于判断定时器是否在运行
+    private void cancelExistingTimer() {
+        if (timerTask != null) {
+            timerTask.cancel();
+        }
+        if (timer != null) {
+            timer.cancel();
+            timer.purge();
+        }
+    }
+
     public boolean isTimerRunning() {
         return isTimerRunning;
     }